<!-- popup/popup.html -->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>侧边栏控制</title>
</head>
<body>
<button id="toggleSidebarBtn">
    <i class="fa fa-window-maximize"></i> 显示/隐藏侧边栏
</button>
<div class="status" id="status">侧边栏状态将在这里显示</div>

<script src="popup.js"></script>
</body>
</html>